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Variety traits

Maize maturity group

Zea mays L. subsp. mays (Maize Group)

The maize maturity group is determined by the FAO index, a numerical indicator ranging from 100 to 999 used to categorize hybrids based on their biological characteristics and heat requirements.

In the reference 1 583 varieties crop Maize, where this is mentioned in the description.

The FAO index serves as a tool for the relative comparison of maize hybrids according to their growing season. The index values are divided into groups: early-maturing (100–199), mid-early (200–299), mid-maturing (300–399), mid-late (400–499), and late-maturing (500 and above). A difference of 10 FAO units under identical conditions corresponds to a change in the growing season of 1–2 days or a change in the grain dry matter content of 1–2%.

Selecting a hybrid based on the FAO index determines adaptation to the sum of active and effective temperatures of the region. Hybrids with a high index possess greater yield potential but require significant grain drying costs, whereas earlier groups are preferred for obtaining grain with low moisture levels. The maturity group also influences the choice of utilization for grain or silage, plant population density, and response to agronomic practices.

General information about the subject — on the page Maturity group.

Sources8

Varieties of Maize mentioned in the description

Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.

DK 522

Withdrawn

Zea mays L. subsp. mays (Maize Group) · Maize

Dekalb Genetics Corporation (usa) (US)

FR
2 records

NX 3411

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

SYNGENTA SEEDS A.G.

ES
1 record

EP42

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

C.S.I.C. (MADRID)

ES
1 record

Hydra

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

R 2n (FR)

FR
1 record

L224

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

Limagrain Genetics Grandes Cultures SA (FR)

FR
1 record

TEDI

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

Dr Hans Rolf Spath

ES
1 record

Smolimag

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

Instytut Hodowli i Aklimatyzacji Roslin Panstwowy Instytut Badawczy

PL
2 records

Alpis

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

Coop de Pau SCA (FR)

FR
1 record

DKC6452RR

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

MONSANTO TECHNOLOGY

ES
1 record

Mégane

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

MBS Europe (FR)

FR
1 record

Vulcain

Withdrawn

Zea mays L. subsp. mays (Maize Group) · Maize

EURALIS GENETIQUE

BE
1 record

Kurant

Withdrawn

Zea mays L. subsp. mays (Maize Group) · Maize

Malopolska Hodowla Roslin Spolka z o.o.

PL
2 records

PAG 52 S

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

P A G SEEDS (US)

FR
1 record

CALO

Withdrawn

Zea mays L. subsp. mays (Maize Group) · Maize

SEMENCES CARGILL

ES
1 record

Zea mays L. subsp. mays (Maize Group) · Maize

GLENN SEED LTD

ES
1 record

Zea mays L. subsp. mays (Maize Group) · Maize

KWS SAAT SE, DE

FR
1 record

11619

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

Semences Cargill SA (FR)

FR
1 record

Diplomatico

Application submitted

Zea mays L. subsp. mays (Maize Group) · Maize

Agresearch Crop Service Kft (HU)

HR
1 record

F 2*F 564

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

FR
1 record

Sirius

Withdrawn

Zea mays L. subsp. mays (Maize Group) · Maize

KWS Kleinwanzlebener Saatzucht AG (DE)

FR
1 record

F 107

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

FR
1 record

140

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

Coop de Pau SCA (FR)

FR
1 record

G 121

Withdrawn

Zea mays L. subsp. mays (Maize Group) · Maize

Golden Harvest International France (FR)/Golden Seed Co Inc. (US)

FR
1 record

CARGILL 971

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

LES GOURGUES-G-CARGILL

ES
1 record

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